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What are fossils?...

What are fossils?

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What are fossil fuels?What will happen if fossil fuels are use up at a fast rate?give reasons for your answer.

What are fossil fuels and how are they made?Give two examples of these.

What are fossil fuels?How are they formed?why are they non-renewable sources of energy?

What is fossil?

What is the physical method of determining the age of fossils?

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MBD-SOURCE OF ENERGY-EXAMPLE
  1. Describe the process by which energy is released by the sun.

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  2. Write three points to distinguish between nuclear fission and nuclear

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  3. What are fossils?

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  4. What are fossil fuels?What will happen if fossil fuels are use up at a...

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  5. Why is L.P.G. considered an ideal fuel?

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  6. State the advantages of the nuclear fusion reactions over nuclear fiss...

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  7. How is hydroelectricity generated at hydroelentirc power plant? Give i...

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  8. What is biogas? Give any four uses?

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  9. biogas is considered to be boon to the farmers.give reasons

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  10. Give two reasons for using gobar (cow dung) in biogas plant.

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  11. Write the general principle involved in generating nuclear energy,Name...

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  12. What is natural gas? What are its advantages over other fuels?

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  13. Which way of using cow-dung as fuel for domestic use is better:use of ...

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  14. Why burning firewood in traditional chullas is not considered advantag...

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  15. Explain LPG.What are its uses?

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  16. Explain why: Solar cookers are covered with glass plate.

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  17. Explain why: The solar cooker is painted black from inside.

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  18. Write any two limitations of solar heating devices.

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  19. Why is it not possible to make use of solar cells to meet all our ener...

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  20. Write four areas where solar cell is used as source of energy?

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